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Which best describes the role of enzymes in a chemical reaction?
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Which statements best describes what happens during a chemical reaction?
Chemical bonds are broken and new ones are formed
What phrase best describes a exothermic chemical reaction?
A chemical change that gives off heat. Burning paper would be an example.
What are the similarities and difference between enzymes and chemical catalyst?
so the similarity is that they both speed up the reaction and both have special temperatures they best work at the only difference between them is that enzymes are found in humans and are not made by humans on particular purpose,whereas chemical catalysts are made by people and are not naturaly developed
What is the best term to describe a chemical reaction that absorbs heat energy?
An endothermic reaction.
What is the following best describes a neutralization reaction?
An acid-base reaction that leaves no excess H+ or OH-
Which best describes the role of enzymes in chemical reactions?
to increase the reaction rate
Which statement best explains how enzymes speed up chemical reactions?
Enzymes lower the activation energy of a chemical reaction.
Best explains how enzymes speed up chemical reactions?
Enzymes speed up the chemical reactions by forcing the reactant molecules into their correct orientation. The enzymes also lower the required energy for collision to produce a reaction.
Which statements best describes what happens during a chemical reaction?
Chemical bonds are broken and new ones are formed
Why is it essential that blood stay at a slightly alkaline reaction?
Enzymes are substances that speed up chemical rections in the body. Most enzymes have a specific pH range in which they function best. Most enzymes in blood must be working best at an alkaline reaction. Thus, the body maintains an alkaline pH.
What phrase best describes a exothermic chemical reaction?
A chemical change that gives off heat. Burning paper would be an example.
Which term best describes lactase?
Enzymes
What is a statement that best describes an enzyme?
An enzyme is a chemical produced by a living organism which acts as a catalyst in a biochemical reaction.
What statement best describes the role of gametocytes in the spread of malaria?
they cause a chemical reaction that alters human scent
Why do we use enzymes more than one time?
Enzymes are catalysts and as such play no direct part in a chemical reaction. Enzymes provide active sites for chemical reactions to take place on. They are specific and work best in a narrow band of optimal conditions.Catalysts of all sorts have 2 major advantages of a chemical reaction without them:they speed up the chemical reaction dramaticallythey are reusableAs they are not used up in the reaction new enzymes do not need to be constantly produced which reduces the pressure on resources in the body. It would be wasteful to have to constantly make new enzymes. Similarly in industry it makes economic sense to use catalysts because they can be used over and over.
What best describes what happens in a chemical reaction?
atoms in substances react with eachother
What are the similarities and difference between enzymes and chemical catalyst?
so the similarity is that they both speed up the reaction and both have special temperatures they best work at the only difference between them is that enzymes are found in humans and are not made by humans on particular purpose,whereas chemical catalysts are made by people and are not naturaly developed
